Display shelf



FIG. 1 is a perspective view of a display shelf showing my new design;

FIG. 2 is a front elevational view thereof, a rear elavational viewbeing identical to the view of FIG. 2;

FIG. 3 is a left side elevational view thereof, the opposite side viewbeing identical to the view of FIG. 3;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The ornamental design for a display shelf, as shown and described.